Halo: Spartan Assault Skulls

This article is about the gameplay modifiers in Halo: Spartan Assault. For other uses, see Skull.

The Hollow skull in Halo: Spartan Assault.

Halo: Spartan Assault skulls are game modifiers featured in Halo: Spartan Assault with the appearance of a humanskull. Unlike previous Halo titles, Spartan Assault skulls do not increase the player's in-game score. Instead, they multiply the amount of XP the player is awarded upon completing a level.